| Months | 12 | 12 | 12 | 12 | 12 |
| Source Of Info (AR = Annual Report, PR = Press Release) | AR | AR | AR | AR | AR |
| FaceValue | 10.00 | 10.00 | 10.00 | 10.00 | 10.00 |
| | | | | | |
| PER SHARE RATIOS | | | | | |
| | | | | | |
| Basic EPS (Rs.) | 4.98 | 4.91 | 4.85 | 4.66 | 3.66 |
| Diluted EPS (Rs.) | 4.98 | 4.91 | 4.85 | 4.66 | 3.66 |
| Cash EPS (Rs.) | 4.98 | 4.91 | 4.86 | 4.67 | 3.38 |
| Book Value[Excl.RevalReserv]/Share (Rs.) | 40.30 | 37.63 | 34.79 | 31.37 | 27.48 |
| Book Value[Incl.RevalReserv]/Share (Rs.) | 40.30 | 37.63 | 34.79 | 31.37 | 27.48 |
| Dividend / Share (Rs.) | 1.60 | 1.50 | 1.50 | 1.40 | 1.05 |
| Revenue From Operations / Share (Rs.) | 20.78 | 20.39 | 18.28 | 15.53 | 12.07 |
| PBDIT / Share (Rs.) | 20.66 | 20.30 | 18.21 | 15.44 | 11.98 |
| PBIT / Share (Rs.) | 20.66 | 20.29 | 18.20 | 15.43 | 11.98 |
| PBT / Share (Rs.) | 4.97 | 4.91 | 4.85 | 4.66 | 3.38 |
| Net Profit / Share (Rs.) | 4.97 | 4.91 | 4.85 | 4.66 | 3.38 |
| | | | | | |
| PROFITABILITY RATIOS | | | | | |
| | | | | | |
| PBDIT Margin (%) | 99.44 | 99.54 | 99.60 | 99.40 | 99.28 |
| PBIT Margin (%) | 99.42 | 99.50 | 99.54 | 99.33 | 99.25 |
| PBT Margin (%) | 23.94 | 24.06 | 26.52 | 30.00 | 28.00 |
| Net Profit Margin (%) | 23.94 | 24.06 | 26.52 | 30.00 | 28.00 |
| Return on Networth / Equity (%) | 12.34 | 13.03 | 13.93 | 14.85 | 12.29 |
| Return on Capital Employeed (%) | 49.98 | 53.32 | 9.08 | 48.56 | 7.25 |
| Return On Assets (%) | 1.33 | 1.32 | 1.29 | 1.35 | 1.16 |
| Long Term Debt / Equity (X) | 0.00 | 0.00 | 4.75 | 0.00 | 4.97 |
| Total Debt / Equity (X) | 7.83 | 8.38 | 9.21 | 9.47 | 9.00 |
| Asset Turnover Ratio (%) | 0.05 | 0.05 | 0.05 | 0.04 | 0.04 |
| | | | | | |
| LIQUIDITY RATIOS | | | | | |
| | | | | | |
| Current Ratio (X) | 1.10 | 1.09 | 2.08 | 1.06 | 2.28 |
| Quick Ratio (X) | 1.10 | 1.09 | 2.08 | 1.06 | 2.28 |
| Dividend Payout Ratio (NP) (%) | 46.22 | 30.57 | 29.49 | 16.52 | 42.39 |
| Dividend Payout Ratio (CP) (%) | 46.19 | 30.52 | 29.42 | 16.48 | 42.35 |
| Earning Retention Ratio (%) | 53.78 | 69.43 | 70.51 | 83.48 | 57.61 |
| Cash Earning Retention Ratio (%) | 53.81 | 69.48 | 70.58 | 83.52 | 57.65 |
| | | | | | |
| COVERAGE RATIOS | | | | | |
| | | | | | |
| Interest Coverage Ratio (%) | 1.32 | 1.32 | 1.36 | 1.43 | 1.39 |
| Interest Coverage Ratio (Post Tax) (%) | 1.32 | 1.32 | 1.36 | 1.43 | 1.39 |
| | | | | | |
| VALUATION RATIOS | | | | | |
| | | | | | |
| Enterprise Value (Cr.) | 568493.16 | 597660.26 | 453149.82 | 416145.19 | 352643.98 |
| EV / Net Operating Revenue (X) | 20.94 | 22.43 | 18.97 | 20.50 | 22.36 |
| EV / EBITDA (X) | 21.05 | 22.53 | 19.04 | 20.62 | 22.52 |
| MarketCap / Net Operating Revenue (X) | 5.98 | 6.98 | 1.45 | 1.38 | 1.90 |
| Retention Ratios (%) | 53.77 | 69.42 | 70.50 | 83.47 | 57.60 |
| Price / BV (X) | 3.09 | 3.78 | 0.76 | 0.68 | 0.83 |
| Price / Net Operating Revenue (X) | 5.98 | 6.98 | 1.46 | 1.38 | 1.90 |
| EarningsYield | 0.04 | 0.03 | 0.18 | 0.21 | 0.14 |